Jewellery Glossary O

A B C D E F G H I J K L M N O P Q R S T U-Z

Onyx

Onyx is a well-known variety of chalcedony which can have a variety of colours from white up to the most valuable pure black which is also the most valuable.

Onyx

Opal

An opal is a gemstone that has a mesmerizing spectrum of colors from nearly opaque white to even dark browns or blacks. It is the official gemstone of Australia which produces over 95% of the worlds supply.

Opal

Opera Length Necklace

Is typically 75 to 90 cms in length or 30 to 35 inches and will sit just at the breast plate on most ladies. It was very popular to wear this length in pearls going back a few decades.

 

Oval Cut Diamond

An oval cut diamond is a new brilliant from just the 1950's and as its name suggest is a perfect oval with multiple facets that aims to accentuate its clarity and enhances its value. This diamond can be fitted into various accessories like rings, bracelets and necklaces.

Oval Cut Diamond